package com.itheima.servlet;

import com.itheima.bean.Student;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
@WebServlet("/addStudentServlet")
public class AddStudentServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String age = req.getParameter("age");
        String score = req.getParameter("score");
        //创建学生对象
        Student stu = new Student();
        stu.setUsername(username);
        stu.setAge(Integer.parseInt(age));
        stu.setScore(Integer.parseInt(score));
        //保存文件
        BufferedWriter bw = new BufferedWriter(new FileWriter("d:\\stu1.txt"));
        bw.write(stu.getUsername() + "," + stu.getAge() + "," + stu.getScore());
        bw.newLine();
        bw.close();
        //定时刷新
        resp.getWriter().write("添加成功两秒后跳转首页");
        resp.setHeader("Refresh","2;URL="+req.getContextPath()+"/index.jsp");
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }
}
